write

Write messages to CAN channel

Since R2021b

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Syntax

write(ch,identifier,isExtended,dataArray)
write(ch,CANMessage)

Description

write(ch,identifier,isExtended,dataArray) writes CAN messages to the bus via the CAN channel.

example

write(ch,CANMessage) writes the CAN message created using the canMessage of Vehicle Network Toolbox™ to the bus.

Note

To generate C/C++ code for this function, you must have an Embedded Coder® license.

example

Examples

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Create a Raspberry Pi object.

raspiObj = raspi("192.168.1.101","pi","raspberry");

Create a canChannel object.

ch = canChannel(raspiObj,"can0");

Transmit messages to the CAN bus.

write(ch,123,1,1:8)

Create a Raspberry Pi object.

raspiObj = raspi("192.168.1.101","pi","raspberry");

Create a canChannel object.

ch = canChannel(raspiObj,"can0");

Transmit messages to the CAN bus.

message = canMessage(123,false,8);
message.Data = [1:8];
write(ch,message)

Input Arguments

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Connection to the CAN channel, specified as an object.

Message ID, specified as a numeric value.

Set the value to true to indicate an extended message ID. Set the value to false to indicate a standard message ID.

Data to write to the CAN channel, specified as a non negative numeric value. The data is truncated to an uint8 data type.

Message to transmit, specified as a CAN message object. The function transmits messages via a CAN channel to other CAN nodes.

Note

The message does not support Remote and Errorframes.

Dependencies

You can create the message using CANMessage only with Vehicle Network Toolbox.

Extended Capabilities

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Version History

Introduced in R2021b

See Also

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